扬州市蟑螂密度监测及侵害现况的调查研究

Survey on the Monitor and Invasion Situation of Cockroaches in YangZhou City

目的了解扬州市蟑螂密度的季节性消长和侵害状况,为蟑螂防制提供科学依据。方法用粘捕法进行调查监测。结果在各类环境中共捕获蟑螂249只,均为德国小蠊,平均侵害率为2.73%,密度为0.12只/张。结论扬州市蟑螂种群构成以德国小蠊为主,侵害场所以农贸市场和餐饮业为主。应进一步加强该优势种群的监测和抗性监测研究,为制定科学合理的防制方案提供依据。

Objective To research the densities and its seasonal dynamics of cockroach in Yangzhou city. Method Investgate and monitor by sticky cockroach. Results Totally 249 cockroaches were caught in five different environments in YangZhou City in 2008. They were all Blattella germanica. The average infestation rate reached 2. 73%. The average index of density was 0. 12 pieces. Conclusions Blattella germanica is the predominant species in various environments. There ware high density of cockroaches in farm products markets and catering trades. The study provided scientific evidence for controlling cockroaches by strengthening the advantage population＇s monitoring and resistance.